Support Laravel 9 (#47)

Author: punyflash

composer.json

@@ -5,9 +5,9 @@
     "keywords": [ "laravel", "validation", "credit card", "validator" ],
     "require": {
         "php": "7.*|8.*",
-        "illuminate/validation": "^5.5|^6.0|^7.0|^8.0",
-        "illuminate/translation": "^5.5|^6.0|^7.0|^8.0",
-        "illuminate/support": "^5.5|^6.0|^7.0|^8.0"
+        "illuminate/validation": "^5.5|^6.0|^7.0|^8.0|^9.0",
+        "illuminate/translation": "^5.5|^6.0|^7.0|^8.0|^9.0",
+        "illuminate/support": "^5.5|^6.0|^7.0|^8.0|^9.0"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "~2.5",